Technical Manual

Specifications
Section 2 - Product Overview
2-7
ATLAS 4500 Multimode Station Technical Manual July 2021
Table 2.3 General Specifications
Parameter
Values
Mounting
19” rack or shelf
Dimensions (Height x Width x Depth)
3.5" x 19" x 17.9" (89 x 483 x 455mm)
Weight
24.25 pounds (11 kg)
Operating Temperature Range
-22°F to +140°F (-30°C to +60°C)
Power Requirements
AC: 90-264 VAC, 47-63 Hz
or
DC: 24-58 VDC
positive or negativeground
Power Consumption
100 W
Tx 430 W
Rx 28 W
RF Interconnects
Tx: N Female
Rx: N Female
Channel Spacing
12.5 kHz
FCC Compliance
Parts 15 and 90
Modulation
TX: C4FM, H-DQPSK (Linear and Linear Simulcast)
RX: C4FM,H-CPM, FM
Table 2.4 Transmitter Specifications
Parameter
VHF
UHF
700 / 800 MHz
Frequency Range
136-174 MHz
380-520 MHz
763-776 MHz, 850-870 MHz
RF Power Output
1-100 Watts
Electronic Switching
Bandwidth
Full Bandwidth
Duty Cycle
100%
Output Impedance
50 
Spurious Emissions
90 dB
Harmonic Emissions
90 dB
Modulation Fidelity
3%
Intermodulation Attenuation
40 dB
80 dB With External Isolator
Audio Response
As per TIA
Analog Audio Distortion
2%
Frequency Stability
[-22°F to +140°F
(-30°C to +60°C)]
0.1 PPM
Digital Emission Designator
8K10F1E, 8K10F1D, 8K10F7E
Analog Emission Designator
11K0F3E
11K0F3E
16K0F3E, 14K0F3E